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Posted to issues@spark.apache.org by "Shixiong Zhu (JIRA)" <ji...@apache.org> on 2015/07/30 06:41:05 UTC

[jira] [Created] (SPARK-9467) Specialized accumulators

Shixiong Zhu created SPARK-9467:
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             Summary: Specialized accumulators
                 Key: SPARK-9467
                 URL: https://issues.apache.org/jira/browse/SPARK-9467
             Project: Spark
          Issue Type: Sub-task
          Components: Spark Core
            Reporter: Shixiong Zhu


In order for SQL metrics to work better,  we'd need to create a subtype of accumulator called LongAccumulator and DoubleAccumulator, that includes specialized methods for updating.



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